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78 C2900M-B (1/03)
TESTING THE AUDIO CONNECTION
This test procedure applies only to NET104A and NET101R-A units.
Test Between NET104A And NET101R-A
1. Connect a microphone (via a preamplifier) to the Audio In jack and a loudspeaker to the Audio
Out jack on the NET104A. Connect a microphone to the Line-In RCA jack and a loudspeaker to
the Line-Out cinch connectors on the NET101R-A.
2. Make sure the correct menu items are set on the Audio Settings configuration page of both
systems; that is, select the appropriate interface (line I/O).
3. Switch the coding mode to G.711 or G.728.
4. Select a volume above zero.
5. After establishing the Ethernet connection, audio should be transmitted both ways.
6. Be sure the level is not set too low and that the right interface is selected.
7. If you cannot hear any audio, check the microphone and loudspeaker together with other audio
equipment, and make sure the microphone is switched on if it has a power switch.
Test Between NET104A And PC
1. Connect a microphone (via a preamplifier) to the Audio In jack on the PelcoNet unit. Connect a
microphone to the PC.
2. Make sure the correct menu items are set on the Audio Settings configuration page; that is,
select the appropriate interface (line I/O).
3. Switch the coding mode to G.711 or G.728.
4. Select a volume above zero.
5. Connect a loudspeaker to the PC’s sound card. Connect another loudspeaker to the Audio Out
jack on the PelcoNet unit. After establishing the Ethernet connection, audio should be
transmitted both ways. Press the F12 key on the PC and speak into the microphone; audio
should be heard on the PelcoNet loudspeaker. Release the key to hear audio from the PelcoNet
unit.
6. Be sure the level is not set too low and that the right interface is selected.
7. If you cannot hear any audio, check the microphone and loudspeaker together with other audio
equipment, and make sure the microphone is switched on if it has a power switch.